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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 431 · 40 questions
TalentJR

How to do it in your head (Biggest part first): Split the 3-digit number into hundreds, tens and ones. Multiply the hundreds and keep that number in your head. Multiply the tens and add, then multiply the ones and add.

NameDateTime takenScore ___ / 40
  1. 1.397 × 6 =
  2. 2.864 × 9 =
  3. 3.342 × 7 =
  4. 4.204 × 3 =
  5. 5.312 × 4 =
  6. 6.644 × 8 =
  7. 7.741 × 4 =
  8. 8.316 × 7 =
  9. 9.661 × 3 =
  10. 10.641 × 3 =
  11. 11.406 × 4 =
  12. 12.549 × 5 =
  13. 13.781 × 7 =
  14. 14.419 × 9 =
  15. 15.735 × 6 =
  16. 16.195 × 6 =
  17. 17.458 × 6 =
  18. 18.871 × 4 =
  19. 19.534 × 5 =
  20. 20.791 × 5 =
  21. 21.208 × 5 =
  22. 22.909 × 5 =
  23. 23.818 × 3 =
  24. 24.372 × 8 =
  25. 25.413 × 8 =
  26. 26.183 × 4 =
  27. 27.522 × 7 =
  28. 28.369 × 8 =
  29. 29.448 × 6 =
  30. 30.981 × 4 =
  31. 31.551 × 4 =
  32. 32.517 × 4 =
  33. 33.159 × 7 =
  34. 34.165 × 7 =
  35. 35.751 × 5 =
  36. 36.146 × 8 =
  37. 37.298 × 4 =
  38. 38.539 × 6 =
  39. 39.132 × 9 =
  40. 40.882 × 7 =

Answer key

  1. 2382
  2. 7776
  3. 2394
  4. 612
  5. 1248
  6. 5152
  7. 2964
  8. 2212
  9. 1983
  10. 1923
  11. 1624
  12. 2745
  13. 5467
  14. 3771
  15. 4410
  16. 1170
  17. 2748
  18. 3484
  19. 2670
  20. 3955
  21. 1040
  22. 4545
  23. 2454
  24. 2976
  25. 3304
  26. 732
  27. 3654
  28. 2952
  29. 2688
  30. 3924
  31. 2204
  32. 2068
  33. 1113
  34. 1155
  35. 3755
  36. 1168
  37. 1192
  38. 3234
  39. 1188
  40. 6174

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